Hirsi Ali ... lives with death threats because she has chosen to debate Islam. Sweet-sounding words such as multiculturalism and tolerance are used to repress open debate. She has no problem with people who worship the prophet Mohammed. "But I want to be able to say that Mohammed had some reprehensible qualities without being thrown in jail, without being demonised," she says. This must be allowed in a society committed to Enlightenment values of inquiry and reason because people progress by using reason to challenge ideas.